[gardening] fix an inconsistency
[gardening] fix an inconsistency

This doc-comment's two paragraphs said in the first that the memory must be uninitialized before assignment, while in the second that it cannot be uninitialized.
zisko/swift,xedin/swift,karwa/swift,brentdax/swift,gribozavr/swift,tkremenek/swift,stephentyrone/swift,alblue/swift,huonw/swift,jckarter/swift,stephentyrone/swift,xwu/swift,frootloops/swift,harlanhaskins/swift,JGiola/swift,xwu/swift,atrick/swift,shahmishal/swift,aschwaighofer/swift,airspeedswift/swift,devincoughlin/swift,amraboelela/swift,xedin/swift,gregomni/swift,practicalswift/swift,danielmartin/swift,sschiau/swift,hooman/swift,glessard/swift,natecook1000/swift,shajrawi/swift,aschwaighofer/swift,danielmartin/swift,sschiau/swift,harlanhaskins/swift,xedin/swift,nathawes/swift,nathawes/swift,allevato/swift,amraboelela/swift,rudkx/swift,lorentey/swift,parkera/swift,xedin/swift,zisko/swift,parkera/swift,airspeedswift/swift,karwa/swift,tjw/swift,ahoppen/swift,lorentey/swift,lorentey/swift,devincoughlin/swift,jckarter/swift,karwa/swift,JGiola/swift,tkremenek/swift,sschiau/swift,huonw/swift,alblue/swift,roambotics/swift,apple/swift,austinzheng/swift,amraboelela/swift,ahoppen/swift,harlanhaskins/swift,karwa/swift,nathawes/swift,jckarter/swift,xwu/swift,aschwaighofer/swift,atrick/swift,jmgc/swift,rudkx/swift,danielmartin/swift,ahoppen/swift,gribozavr/swift,allevato/swift,tjw/swift,stephentyrone/swift,natecook1000/swift,benlangmuir/swift,practicalswift/swift,austinzheng/swift,CodaFi/swift,ahoppen/swift,practicalswift/swift,harlanhaskins/swift,lorentey/swift,aschwaighofer/swift,brentdax/swift,frootloops/swift,aschwaighofer/swift,gregomni/swift,frootloops/swift,parkera/swift,glessard/swift,stephentyrone/swift,alblue/swift,nathawes/swift,brentdax/swift,rudkx/swift,shahmishal/swift,huonw/swift,karwa/swift,atrick/swift,gribozavr/swift,karwa/swift,stephentyrone/swift,xwu/swift,tkremenek/swift,CodaFi/swift,amraboelela/swift,sschiau/swift,parkera/swift,huonw/swift,CodaFi/swift,hooman/swift,jopamer/swift,tkremenek/swift,allevato/swift,tjw/swift,austinzheng/swift,devincoughlin/swift,hooman/swift,jopamer/swift,devincoughlin/swift,harlanhaskins/swift,roambotics/swift,tjw/swift,lorentey/swift,shahmishal/swift,lorentey/swift,atrick/swift,stephentyrone/swift,benlangmuir/swift,frootloops/swift,brentdax/swift,danielmartin/swift,brentdax/swift,austinzheng/swift,austinzheng/swift,apple/swift,shajrawi/swift,jmgc/swift,danielmartin/swift,airspeedswift/swift,shajrawi/swift,practicalswift/swift,hooman/swift,aschwaighofer/swift,rudkx/swift,CodaFi/swift,gribozavr/swift,ahoppen/swift,devincoughlin/swift,devincoughlin/swift,huonw/swift,allevato/swift,JGiola/swift,shahmishal/swift,xedin/swift,danielmartin/swift,brentdax/swift,amraboelela/swift,shajrawi/swift,shahmishal/swift,ahoppen/swift,benlangmuir/swift,xedin/swift,alblue/swift,xwu/swift,tkremenek/swift,nathawes/swift,practicalswift/swift,zisko/swift,austinzheng/swift,tkremenek/swift,rudkx/swift,gregomni/swift,roambotics/swift,alblue/swift,CodaFi/swift,jmgc/swift,natecook1000/swift,shajrawi/swift,airspeedswift/swift,frootloops/swift,rudkx/swift,apple/swift,huonw/swift,atrick/swift,hooman/swift,CodaFi/swift,jopamer/swift,karwa/swift,airspeedswift/swift,sschiau/swift,zisko/swift,jckarter/swift,shajrawi/swift,natecook1000/swift,atrick/swift,jckarter/swift,gribozavr/swift,xedin/swift,natecook1000/swift,glessard/swift,roambotics/swift,sschiau/swift,parkera/swift,amraboelela/swift,parkera/swift,jckarter/swift,alblue/swift,tjw/swift,sschiau/swift,xwu/swift,shahmishal/swift,lorentey/swift,xedin/swift,allevato/swift,gregomni/swift,danielmartin/swift,harlanhaskins/swift,practicalswift/swift,devincoughlin/swift,harlanhaskins/swift,alblue/swift,shajrawi/swift,natecook1000/swift,apple/swift,roambotics/swift,CodaFi/swift,nathawes/swift,benlangmuir/swift,jopamer/swift,shahmishal/swift,apple/swift,jopamer/swift,tjw/swift,practicalswift/swift,sschiau/swift,glessard/swift,jmgc/swift,apple/swift,aschwaighofer/swift,JGiola/swift,tjw/swift,benlangmuir/swift,jopamer/swift,shahmishal/swift,jmgc/swift,lorentey/swift,airspeedswift/swift,glessard/swift,zisko/swift,practicalswift/swift,natecook1000/swift,jopamer/swift,gribozavr/swift,zisko/swift,gregomni/swift,frootloops/swift,shajrawi/swift,jckarter/swift,zisko/swift,gribozavr/swift,tkremenek/swift,devincoughlin/swift,karwa/swift,hooman/swift,gregomni/swift,allevato/swift,austinzheng/swift,parkera/swift,stephentyrone/swift,hooman/swift,parkera/swift,glessard/swift,brentdax/swift,nathawes/swift,jmgc/swift,frootloops/swift,JGiola/swift,roambotics/swift,allevato/swift,xwu/swift,JGiola/swift,gribozavr/swift,huonw/swift,amraboelela/swift,benlangmuir/swift,airspeedswift/swift,jmgc/swift